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  • Research Article
  • Open Access

Modulating the Shape and Size of Backprojection Surfaces to Improve Accuracy in Volumetric Stereo

EURASIP Journal on Advances in Signal Processing20082009:129789

https://doi.org/10.1155/2009/129789

  • Received: 14 October 2007
  • Accepted: 7 April 2008
  • Published:

Abstract

In 3D TV applications, the extraction of 3D representations of dynamic scenes from images plays a central role in the preparation of the presented visual content. This paper focuses on the stereo cue to the extraction of these representations and, in particular, on the recently developed family of volumetric approaches to stereo. Two methods are proposed that improve the accuracy of volumetric stereo approaches, which compare backprojections of image regions to establish stereo correspondences. The proposed methods are based on maximizing the utilization of the available image resolution, as well as, equalizing the sampled image area across pairs of image regions that are compared.

Keywords

  • Information Technology
  • Quantum Information
  • Image Resolution
  • Image Region
  • Full Article

Publisher note

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Authors’ Affiliations

(1)
Institute of Computer Science, Foundation for Research and Technology-Hellas, N. Plastira 100, Vassilika Vouton, 700 13 Heraklion, Crete, Greece

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